CVE-2023-52919 nfc: nci: fix possible NULL pointer dereference in send_acknowledge()

What is CVE-2023-52919?

CVE-2023-52919 is a medium-severity vulnerability in Linux kernel, published on 22 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

nfc: nci: fix possible NULL pointer dereference in send_acknowledge()

Handle memory allocation failure from nci_skb_alloc() (calling alloc_skb()) to avoid possible NULL pointer dereference.

Weakness: CWE-476

Which versions are affected by CVE-2023-52919?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52919?

Apply the vendor's patch.

Is CVE-2023-52919 being exploited?

There is no known exploitation of CVE-2023-52919 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2023-52919, DEBIAN-CVE-2023-52919, GHSA-5hvv-8hjx-72f5, UBUNTU-CVE-2023-52919.